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Brule Formation - Wikipedia

en.wikipedia.org/wiki/Brule_Formation

The Brule Formation was deposited between 34 and 30 million years ago, roughly the Rupelian (Oligocene). It is a sequence of fine grained clastic rocks ...

Chadron, Brule, and Arikaree Formations in North Dakota

www.dmr.nd.gov/ndfossil/Research/Short Papers/white_river.asp

Nov 28, 2007 ... The Brule Formation is composed of pinkish/brown to gray/green complexly interbedded claystones, calcareous mudstones, siltstones, ...

Geologic Formations - Badlands National Park (U.S. National Park ...

www.nps.gov/badl/learn/nature/geologicformations.htm

The tannish brown Brule Formation was deposited between 30 and 34 million years ago. As the climate began to dry and cool, the forest gave way to open ...

Badlands Fossils - The Virtual Fossil Museum

www.fossilmuseum.net/Fossil_Sites/badlands.htm

Badlands Fossils, including the White River Badlands, Badlands of South Dakota (Brule Formation) and Proximal Areas. The page within: Fossil Sites ...

Geology of Badlands National Park - Geology of National Parks

3dparks.wr.usgs.gov/badl/images/of03-35.pdf

equivalent marine rocks make up the Fox Hills Formation and Pierre Shale in ... ( Eocene), the Chadron Formation (Eocene), the Brule Formation (Oligocene), ...

Brule Formation | fossil formation, United States | Britannica.com

www.britannica.com/topic/Brule-Formation

Oreodont fossils are especially common in the Brule Formation of the White River Badlands of South Dakota, U.S. This formation is composed of river deposits ...

geographic names for members of the brule formation of the big ...

www.ajsonline.org/content/254/7/429.full.pdf

The Brulc formation as it is exposed in the Big Badlands of South Dakota is divided ... portion oi the Brule formation as it occurs in northwestern Nebraska. Oligo-.

Geology of the Early Arikareean Sharps Formation on the Pine ...

journals.plos.org/plosone/article?id=10.1371/journal.pone.0047759

Oct 23, 2012 ... The original description of the Sharps Formation [3] described a strata occurring between the Monroe Creek Formation and the Brule Formation ...

Preliminary Biostratigraphy of the White River Group (Oligocene ...

digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1208&context=tnas

Jan 1, 1986 ... m) of terrigenous sediment. divisible into the Chadron Formation and Brule. Formation (Orella and Whitney members) on criteria similar to ...

from the Brule Formation, Nebraska - JStor

www.jstor.org/stable/1304359

ella Member, Brule Formation, Sioux County,. Nebraska. Discussion.-Burke ( 1934) originally as- signed two species to Paradjidaumo, P. minor. (Douglass ...